:root {
    color-scheme: light;
    --bg: #f2f2f7;
    --card: #ffffff;
    --text: #000000;
    --muted: rgba(60, 60, 67, .6);
    --line: rgba(60, 60, 67, .18);
    --tint: #007aff;
    --tint-ink: #ffffff;
    --chip: rgba(118, 118, 128, .12);
    --radius: 22px;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #000000;
      --card: #1c1c1e;
      --text: #ffffff;
      --muted: rgba(235, 235, 245, .6);
      --line: rgba(84, 84, 88, .6);
      --tint: #0a84ff;
      --chip: rgba(118, 118, 128, .24);
    }
  }
  :root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #000000; --card: #1c1c1e; --text: #ffffff; --muted: rgba(235, 235, 245, .6);
    --line: rgba(84, 84, 88, .6); --tint: #0a84ff; --chip: rgba(118, 118, 128, .24);
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 24px; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 17px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
  }
  a { color: var(--tint); text-decoration: none; }
  .wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

  header { padding: 28px 0 0; }
  .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); }
  .mark {
    width: 30px; height: 30px; border-radius: 8px; background: var(--text); color: var(--bg);
    display: grid; place-items: center; font-weight: 800; font-size: 16px;
  }

  .intro { padding: 48px 0 32px; display: flex; align-items: center; gap: 28px; }
  .avatar {
    flex: none; width: 128px; height: 128px; border-radius: 50%; object-fit: cover;
    background: var(--card); box-shadow: 0 0 0 4px var(--card);
  }
  @media (max-width: 560px) {
    .intro { flex-direction: column; align-items: flex-start; gap: 20px; padding-top: 36px; }
    .avatar { width: 96px; height: 96px; }
  }
  h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.05; letter-spacing: -.025em; margin: 0 0 14px; font-weight: 700; }
  .intro p { font-size: 20px; color: var(--muted); margin: 0; max-width: 32em; }

  .label {
    font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
    margin: 0 0 10px 4px;
  }

  .principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0 0 40px; }
  @media (max-width: 760px) { .principles { grid-template-columns: 1fr; } }
  .principle { background: var(--card); border-radius: var(--radius); padding: 20px 22px; display: flex; flex-direction: column; gap: 6px; }
  .principle b { font-size: 19px; letter-spacing: -.01em; }
  .principle span { color: var(--muted); font-size: 15px; }

  /* Featured project */
  .featured {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: var(--card);
    border-radius: var(--radius); overflow: hidden; margin-bottom: 40px;
  }
  @media (max-width: 820px) { .featured { grid-template-columns: minmax(0, 1fr); } }
  .featured .body { padding: 36px; display: flex; flex-direction: column; gap: 14px; }
  @media (max-width: 560px) { .featured .body { padding: 24px; } }
  .chips { display: flex; flex-wrap: wrap; gap: 6px; }
  .chip { font-size: 13px; padding: 4px 10px; border-radius: 999px; background: var(--chip); color: var(--text); }
  .featured h2 { font-size: clamp(28px, 3.6vw, 38px); line-height: 1.1; letter-spacing: -.02em; margin: 0; }
  .featured p { margin: 0; color: var(--muted); }
  .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; max-width: 100%; padding: 12px 22px;
    text-align: center;
    border-radius: 14px; font-weight: 600; font-size: 17px;
  }
  .btn.primary { background: var(--tint); color: var(--tint-ink); }
  .btn.plain { background: var(--chip); color: var(--tint); }
  .btn:focus-visible, .card:focus-visible { outline: 3px solid var(--tint); outline-offset: 3px; }

  /* tvOS-like mock of the product's home screen */
  .shot {
    background: radial-gradient(120% 100% at 50% 0%, #2c2c2e 0%, #0b0b0c 70%);
    display: grid; place-items: center; padding: 32px; min-height: 300px;
  }
  .tv { width: 100%; max-width: 440px; background: #000; border-radius: 14px; padding: 8px; box-shadow: 0 20px 50px rgba(0,0,0,.45); }
  .screen {
    aspect-ratio: 16 / 9; border-radius: 8px; overflow: hidden; color: #fff; padding: 6%;
    background: linear-gradient(180deg, #1c1c1e 0%, #050505 100%);
    display: flex; flex-direction: column;
  }
  .screen .date { font-size: clamp(9px, 1.4vw, 13px); opacity: .8; }
  .screen .clock { font-size: clamp(26px, 5vw, 46px); font-weight: 300; line-height: 1; letter-spacing: -.02em; }
  .screen .focus { margin-top: auto; font-size: clamp(13px, 2.2vw, 20px); font-weight: 500; }
  .dock { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4%; margin-top: 4%; }
  .dock button {
    display: grid; place-items: center; width: 100%; min-width: 0; padding: 0;
    aspect-ratio: 16 / 9; border: 0; border-radius: 6px; background: #2c2c2e;
    color: #fff; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease;
  }
  .dock button:nth-child(1) { background: #f4f4f4; color: #1c1c1e; }
  .dock button:nth-child(2) { background: linear-gradient(135deg, #111, #ff5a00); }
  .dock button:nth-child(3) { background: linear-gradient(135deg, #2b0a3d, #8a1250); }
  .dock button:nth-child(4) { background: #0f1d33; }
  .dock button.is-active { transform: scale(1.1); box-shadow: 0 6px 14px rgba(0,0,0,.6); }
  .dock button:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
  .dock svg { width: 42%; height: auto; max-width: 22px; }

  /* Other projects */
  .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 48px; }
  @media (max-width: 720px) { .grid { grid-template-columns: 1fr; } }
  .card {
    display: flex; flex-direction: column; gap: 10px; background: var(--card); border-radius: var(--radius);
    padding: 24px; color: var(--text); transition: transform .15s ease;
  }
  .card:hover { transform: translateY(-2px); }
  .card .icon {
    width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; color: #fff;
  }
  .card h3 { margin: 4px 0 0; font-size: 21px; letter-spacing: -.01em; }
  .card p { margin: 0; color: var(--muted); font-size: 15px; }
  .card .more { margin-top: auto; padding-top: 6px; color: var(--tint); font-size: 15px; font-weight: 600; }
  .card.soon { opacity: .7; }
  .card.soon .more { color: var(--muted); }

  footer { border-top: 1px solid var(--line); padding: 28px 0 48px; color: var(--muted); font-size: 15px; }
  footer .row { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

  .header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
  .header-actions { display: flex; align-items: center; gap: 20px; }
  .projects-link { color: var(--muted); font-size: 15px; }
  .projects-link:hover { color: var(--text); }
  .theme-toggle {
    display: grid; place-items: center; width: 40px; height: 40px;
    padding: 0; border: 1px solid var(--line); border-radius: 50%;
    color: var(--text); background: transparent; cursor: pointer;
  }
  .theme-toggle:hover { background: var(--chip); }
  .theme-moon { display: none; }
  :root[data-theme="light"] .theme-sun { display: none; }
  :root[data-theme="light"] .theme-moon { display: block; }
  .theme-toggle:focus-visible, .projects-link:focus-visible, .brand:focus-visible {
    outline: 3px solid var(--tint); outline-offset: 4px;
  }
  .skip-link {
    position: fixed; top: 12px; left: 12px; z-index: 10;
    padding: 10px 16px; border-radius: 10px; background: var(--card); color: var(--text);
    transform: translateY(-180%);
  }
  .skip-link:focus { transform: translateY(0); }
  .featured .body, .card { min-width: 0; }
  .btn, .card { -webkit-tap-highlight-color: transparent; }
  @media (max-width: 360px) {
    .header-actions { gap: 12px; }
    .shot { padding: 24px; }
  }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .card, .dock button { transition: none; }
  }